Modbus
Cellular
Gateway
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
269
When
Server
Configuration
is
selected
Item
Value setting
Description
OpenVPN
Server
The
box
is
unchecked
by
default
Click
the
Enable
to
activate
OpenVPN
Server
functions.
Protocol
A
Must
filled
setting
By
default
TCP
is
selected.
Define
the
selected
Protocol
for
the
OpenVPN
Server
which
to
be.
Select
TCP
/UDP
for
OpenVPN
Server
which
to
be.
Select
TCP
for
OpenVPN
Server
which
to
be.
‐
>The
OpenVPN
will
use
TCP
protocol,
and
Port
will
be
set
443
automatically.
Select
UDP
for
OpenVPN
Server
which
to
be.
‐
>
The
OpenVPN
will
use
UDP
protocol,
and
Port
will
be
set
1194
automatically.
Port
A
Must
filled
setting
By
default
443
is
set.
Specify
the
Port
for
the
OpenVPN
Server
to
use.
Tunnel
Device
A
Must
filled
setting
By
default
TUN
is
selected.
Specify
the
Tunnel
Device
for
the
OpenVPN
Server
to
use.
Select
TUN
for
OpenVPN
Server
which
to
be.
‐
>The
OpenVPN
will
use
TUN
tunnel
device.
Select
TAP
for
OpenVPN
Server
which
to
be.
‐
>
The
OpenVPN
will
use
TAP
tunnel
device.
Authorization
Mode
A
Must
filled
setting
By
default
Static
Key
is
selected.
Specify
Static
Key
/
TLS
for
the
OpenVPN
Server.
Select
Static
Key
for
OpenVPN
Server
which
to
be.
‐
>The
OpenVPN
will
use
static
key
authorization
mode.
The
items
Local
Endpoint
IP
Address
,
Remote
Endpoint
IP
Address
and
Static
Key
will
be
display.
Select
TLS
for
OpenVPN
Server
which
to
be.
‐
>The
OpenVPN
will
use
TLS
authorization
mode.
The
items
CA
Cert
.
,
Server
Cer
t.
and
DH
PEM
will
be
display.
CA
Cert
.
could
be
generated
in
Certificate.
Refer
to